KR100293699B1 - Refrigerator control method - Google Patents
Refrigerator control method Download PDFInfo
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- KR100293699B1 KR100293699B1 KR1019980031103A KR19980031103A KR100293699B1 KR 100293699 B1 KR100293699 B1 KR 100293699B1 KR 1019980031103 A KR1019980031103 A KR 1019980031103A KR 19980031103 A KR19980031103 A KR 19980031103A KR 100293699 B1 KR100293699 B1 KR 100293699B1
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- temperature
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- cooling fan
- refrigerator
- compressor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Abstract
본 발명은 냉장고의 제어 방법에 관한 것으로서,The present invention relates to a control method of a refrigerator.
본 발명은, 냉동실의 온도가 상한 설정온도 이상이 되면 압축기가 작동됨과 동시에 냉장실로 통하는 통로가 개방되어 냉장실과 냉동실을 동시에 냉각하는 단계와; 상기 냉동실의 온도가 하한 설정온도 이하가 되고, 냉장실로 통하는 통로가 닫힌 상태이면 압축기와 냉각용 팬을 정지시키는 단계와; 상기 냉장실의 온도가 상한 설정온도 이상이면 냉장실로 통하는 통로를 개방하고 냉각용 팬을 작동시키는 단계와; 상기 냉장실의 온도가 하한 설정온도 이하이면 냉장실로 통하는 통로를 닫고, 압축기가 정지 상태이면 냉각용 팬을 정지시키는 단계로 이루어진 것을 특징으로 함으로써,The present invention comprises the steps of: when the temperature of the freezer compartment is higher than the upper limit set temperature, the compressor is operated and at the same time the passage to the refrigerating compartment is opened to simultaneously cool the refrigerating compartment and the freezing compartment; Stopping the compressor and the cooling fan when the temperature of the freezer compartment is equal to or lower than the lower limit set temperature and the passage leading to the refrigerating compartment is closed; Opening a passage through the refrigerating compartment and operating a cooling fan when the temperature of the refrigerating compartment is equal to or higher than an upper limit set temperature; By closing the passage to the refrigerator compartment when the temperature of the refrigerator compartment is lower than the lower limit set temperature, and stopping the cooling fan when the compressor is stopped,
본 발명은 냉장실과 냉동실을 동시에 먼저 냉각한 다음 냉동실을 냉각하게 되어 냉장고의 냉각 효율이 향상됨은 물론 소비 전력을 절감할 수 있고, 냉장실의 온도를 적정하게 유지할 수 있는 효과를 제공하게 된다.The present invention is to cool the refrigerating compartment and the freezing compartment at the same time first and then to cool the freezing compartment to improve the cooling efficiency of the refrigerator as well as to reduce the power consumption, to provide the effect of maintaining the temperature of the refrigerating compartment appropriately.
Description
본 발명은 냉장고의 제어 방법에 관한 것으로서, 특히 냉장실과 냉동실을 동시에 먼저 냉각한 다음 냉동실만 냉각함으로써 냉각 효율을 향상시킬 수 있도록 한 냉장고의 제어 방법에 관한 것이다.The present invention relates to a control method of a refrigerator, and more particularly, to a control method of a refrigerator to improve the cooling efficiency by cooling the refrigerating compartment and the freezing compartment at the same time first and then only the freezing compartment.
도 1은 통상적인 냉장고의 냉기 순환 구조가 도시된 도면으로서, 상측에는 냉동실(F)이 위치되고, 하측에는 냉장실(R)이 위치된다. 그리고, 상기 냉동실(F)의 후방에는 증발기(1) 및 냉각용 팬(2)이 구비되어 여기서 발생한 냉기가 유입 통로(6) 및 그릴 팬(3)의 구멍을 통해 상기 냉동실(F) 및 냉장실(R)로 유입된 후, 냉기 회수로(5)를 통해 상기 증발기(1) 및 냉각용 팬(2)쪽으로 유동하면서 순환하게 된다.1 is a view illustrating a cold air circulation structure of a conventional refrigerator, in which a freezing compartment F is positioned above and a refrigerating compartment R is located below. In addition, an evaporator 1 and a cooling fan 2 are provided at the rear of the freezing chamber F so that the cold air generated therein is formed in the freezing chamber F and the refrigerating chamber through the holes of the inflow passage 6 and the grill pan 3. After flowing into (R), it is circulated while flowing toward the evaporator 1 and the cooling fan 2 through the cold air recovery passage 5.
특히, 상기 냉동실(F)과 냉장실(R) 사이의 유입 통로(6)에는 필요에 따라 냉장실(6)로 유입되는 냉기를 차단할 수 있도록 배플(4)이 설치되어 있는 데, 압축기(미도시 됨)와 냉각용 팬(2)이 작동되고 있는 조건에서 상기 배플(4)이 열리면 냉동실(F)과 냉장실(R)에 냉기가 모두 유입되지만 상기 배플(4)이 닫히면 냉장실(R)에는 냉기가 유입되지 않고 냉동실(F)에만 냉기가 유입되게 된다.In particular, a baffle 4 is installed in the inflow passage 6 between the freezing chamber F and the refrigerating chamber R to block the cold air flowing into the refrigerating chamber 6 as necessary. When the baffle 4 is opened under the condition that the fan and the cooling fan 2 are operated, both cold air flows into the freezing compartment F and the refrigerating compartment R, but when the baffle 4 is closed, the cold air is stored in the refrigerating compartment R. Cold air is introduced only into the freezer compartment F without being introduced.
여기서, 도 2는 상기한 냉장고의 제어 방법이 도시된 순서도로서, 종래 기술의 냉장고 제어 방법을 도 1 및 도 2를 참조하여 설명하면, 냉동실(F)의 온도가 상한 설정온도(Tfon)보다 높아지면 압축기(증발기)와 냉각용 팬(2)이 작동되면서 냉동실(F)에 냉기를 공급하게 되고, 냉동실(F)의 온도가 하한 설정온도(foff)보다 낮아지면 압축기와 냉각용 팬(2)의 작동이 중지되면서 냉동실(F)에 냉기를 공급하지 않게 된다.2 is a flowchart illustrating a control method of the refrigerator, and a refrigerator control method according to the related art will be described with reference to FIGS. 1 and 2, and the temperature of the freezer compartment F is higher than the upper limit set temperature Tfon. The ground compressor (evaporator) and the cooling fan 2 are operated to supply cold air to the freezer compartment F. When the temperature of the freezer compartment F becomes lower than the lower limit set temperature foff, the compressor and the cooling fan 2 are operated. While the operation of the freezing chamber (F) does not supply cold air.
또한, 냉장실(R)의 온도가 상한 설정온도(ron) 이상으로 높아지면 배플(4)이 열리게 되고, 냉장실(R)의 온도가 하한 설정온도(roff) 이하로 낮아지면 배플(4)이 닫히게 된다.Further, when the temperature of the refrigerating chamber R becomes higher than the upper limit set temperature ron, the baffle 4 is opened. When the temperature of the refrigerating chamber R becomes lower than the lower limit set temperature roff, the baffle 4 is closed. do.
즉, 냉동실(F)의 온도가 상한 설정온도(Tfon) 이상이 되었을 때 압축기(증발기) 및 냉각용 팬(2)이 작동되면서 냉동실(F)을 냉각한다. 이때, 냉장실(R)의 온도가 상한 설정온도(ron) 이상이면 상기 배플(4)이 열리면서 냉동실(F)과 냉장실(R)의 모두 냉각하며, 그렇지 않으면 냉동실(F)만 냉각하고 하한 설정온도(foff) 이하가 되면 압축기 및 냉각용 팬(2)의 작동은 정지된다.That is, when the temperature of the freezer compartment F becomes higher than the upper limit set temperature Tfon, the compressor (evaporator) and the cooling fan 2 are operated to cool the freezer compartment F. At this time, if the temperature of the refrigerating chamber (R) is higher than the upper limit set temperature (ron), the baffle (4) is opened to cool both the freezer compartment (F) and the refrigerating chamber (R), otherwise only the freezer compartment (F) is cooled and the lower limit set temperature Below foff, the operation of the compressor and the cooling fan 2 is stopped.
그러나, 상기한 바와 같은 종래 기술의 냉장고 제어 방법은 상기한 배플(4)이 압축기의 작동과 관계없이 냉장실(R)의 온도에 따라 열리고 닫히도록 운전되기 때문에 결국 냉장고의 효율을 떨어뜨리는 원인이 된다.However, the refrigerator control method according to the related art as described above causes the baffle 4 to be opened and closed according to the temperature of the refrigerating chamber R regardless of the operation of the compressor, thereby causing a decrease in the efficiency of the refrigerator. .
즉, 냉장실(R)의 온도에 상한 설정온도(ron) 이상이면 배플(4)이 열리게 되나 냉동실(F)의 온도가 상한 설정온도(Tfon) 이하인 조건이면 압축기 및 냉각용 팬(2)이 작동하지 않게 되므로 냉장실(R)의 온도 변화에 따른 냉기의 유입이 원활하게 이루어지지 않게 되어 냉장실의 냉각 효율이 그만큼 떨어지게 된다.That is, if the temperature of the refrigerating chamber R is higher than the upper limit set temperature (ron), the baffle 4 is opened, but if the temperature of the freezer compartment F is lower than the upper limit set temperature (Tfon), the compressor and the cooling fan 2 are operated. Since the cold air is not smoothly introduced due to the temperature change of the refrigerating chamber (R), the cooling efficiency of the refrigerating chamber is reduced by that much.
한편, 도 3에 도시된 냉동 사이클을 참고하면 응축기의 압력이 동일한 경우 증발기의 온도에 상응하는 압력(P1에서 P2)이 높을수록 냉동 효율(h1에서 h2) 좋아진다. 여기서, 냉동실(F)만 냉각시킬 때가 냉동실(F)과 냉장실(R)을 모두 냉각시킬 때보다 증발기 주변의 온도가 낮기 때문에 증발기의 압력은 냉동실(F)만 냉각시킬 때보다 냉장실(R)과 냉동실(F)을 동시에 냉각시킬 때가 더 높아지고 냉동 효율이 좋아진다.Meanwhile, referring to the refrigeration cycle shown in FIG. 3, when the pressure of the condenser is the same, the higher the pressure (P 1 to P 2 ) corresponding to the temperature of the evaporator, the better the refrigeration efficiency (h 1 to h 2 ). Here, since the temperature around the evaporator is lower than when only the freezer compartment F is cooled, the temperature of the evaporator is lower than that when only the freezer compartment F is cooled. When the freezer compartment F is simultaneously cooled, the freezing efficiency is improved.
그러나, 상기한 종래 기술의 냉장고 제어 방법은 냉동실(F)을 먼저 냉각하고 필요에 따라 냉동실(F)과 냉장실(R)을 모두 냉각하기 때문에 전체적으로 증발 온도가 낮아지게 되어 냉각 효율이 떨어지고 결국, 소비 전력도 많이 소요되는 문제점이 있다.However, since the refrigerator control method of the related art described above cools the freezer compartment F first and then cools both the freezer compartment F and the refrigerating compartment R as necessary, the evaporation temperature is lowered as a whole, resulting in lower cooling efficiency, and thus, consumption. There is a problem that consumes a lot of power.
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 냉동실과 냉장실을 모두 냉각한 다음 냉동실을 냉각할 수 있도록 제어함으로써 냉각 효율이 향상되도록 전력절감 하는 냉장고의 제어 방법을 제공하는 데 있다.The present invention has been made to solve the above problems, and to provide a control method of the refrigerator to reduce the power to improve the cooling efficiency by controlling to cool both the freezer compartment and the refrigerating compartment and then to cool the freezer compartment.
도 1은 냉동 냉장고의 냉기 순환 구조가 도시된 개략도,1 is a schematic view showing a cold air circulation structure of a refrigeration refrigerator;
도 2는 종래 기술의 냉장고 제어 방법이 도시된 순서도,2 is a flowchart illustrating a refrigerator control method according to the related art;
도 3은 냉동 사이클의 P-h선도,3 is a P-h diagram of a refrigeration cycle,
도 4는 본 발명에 따른 냉장고 제어 방법이 도시된 순서도,4 is a flowchart illustrating a refrigerator control method according to the present invention;
도 5는 종래 기술과 본 발명에서 제어 조건에 따른 증발기 온도 변화가 도시된 비교 그래프이다.5 is a comparative graph showing a change in evaporator temperature according to a control condition in the prior art and the present invention.
＜도면의 주요 부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>
1 : 증발기 2 : 냉각용 팬1: evaporator 2: cooling fan
3 : 그릴팬 4 : 배플3: grill pan 4: baffle
5 : 냉기 회수로 6 : 유입 통로5: cold air recovery passage 6: inflow passage
F : 냉동실 R : 냉장실F: Freezer R: Refrigerator
상기한 과제를 실현하기 위한 본 발명에 따른 냉장고의 제어 방법은, 하나의 증발기와 냉각용팬을 사용하여 냉장실로 통하여 냉기유입통로를 개폐함으로써 냉장고의 냉동실과 냉장실의 온도를 제어하는 냉장고의 제어방법에 있어서,The refrigerator control method according to the present invention for realizing the above object is to control the temperature of the freezer compartment and the refrigerator compartment of the refrigerator by opening and closing the cold air inlet passage through the refrigerator compartment using one evaporator and a cooling fan. In
냉동실의 온도가 상한 설정온도 이상이 되면 압축기와 냉각용팬이 작동됨과 동시에 냉장실로 통하는 냉기유입통로가 개방되어 냉장실과 냉동실을 동시에 냉각하는 제1단계와;A first step of operating the compressor and the cooling fan when the temperature of the freezer compartment is higher than the upper limit set temperature and simultaneously opening the cold air inflow passage through the refrigerator compartment to simultaneously cool the refrigerator compartment and the freezer compartment;
상기 냉동실의 온도가 하한 설정온도 이하가 되고, 냉장실로 통하는 냉기유입통로가 닫히 상태이면 압축기와 냉각용 팬을 정지시키는 제2단계와;A second step of stopping the compressor and the cooling fan when the temperature of the freezing chamber is lower than or equal to a lower set temperature and the cold air inflow passage leading to the refrigerating chamber is closed;
상기 냉장실의 온도가 상한 설정온도 이상이면 냉장실로 통하는 냉기유입통로를 개방하고 냉각용 팬을 작동시키는 제3단계와;A third step of opening the cold air inflow passage to the refrigerating compartment and operating the cooling fan when the temperature of the refrigerating compartment is higher than the upper limit set temperature;
상기 냉장실의 온도가 하한 설정온도 이하이면 냉장실로 통하는 냉기유입통로를 닫고, 압축기가 정지 상태이면 냉각용 팬을 정지시킨 다음 제1단계로 복귀하는 제4단계를 포함하여 이루어진 것을 특징으로 한다.And a fourth step of closing the cold air inflow passage leading to the refrigerating chamber when the temperature of the refrigerating chamber is lower than or equal to the lower limit set temperature, and stopping the cooling fan if the compressor is in a stopped state, and then returning to the first stage.
이하, 첨부된 도면을 참조하여 본 발명의 실시 예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.
도4는 본 발명에 따른 냉장고의 제어 방법이 도시된 순서도로서, 본 발명의 냉장고 제어 방법을 도 1 및 도 4를 참조하여 설명하면, 냉동실(F)의 온도가 상한 설정온도(Tfon) 이상이고 압축기가 OFF상태이면, 냉장실(R)로 통하는 배플(4)을 개방하고, 압축기 및 증발기(1)와 냉각용 팬(2)을 작동시켜 냉동실(F)과 냉장실(R)에 모두 냉기를 공급하는 제1단계를 수행한다.4 is a flowchart illustrating a method of controlling a refrigerator according to the present invention. Referring to FIGS. 1 and 4, the method of controlling the refrigerator according to the present invention is a temperature of the freezer compartment F above an upper limit set temperature Tfon. If the compressor is in the OFF state, the baffle 4 leading to the refrigerating chamber R is opened, and the compressor and the evaporator 1 and the cooling fan 2 are operated to supply cold air to both the freezing chamber F and the refrigerating chamber R. Perform the first step.
제1단계가 수행되어 냉동실(F)의 온도가 하향 설정온도(Tfoff) 이하가 되고, 냉장실(R)로 통하는 배플(4)이 닫혀 있으면 압축기 및 냉각용 팬(2)을 정지시켜 냉동실(F) 및 냉장실(R)에 냉기가 공급되지 않도록 하는 제2단계를 수행한다.If the temperature of the freezer compartment F becomes lower than or equal to the downward set temperature Tfoff when the first step is performed, and the baffle 4 leading to the refrigerating compartment R is closed, the compressor and the cooling fan 2 are stopped to freeze the refrigerator F. ) And a second step of preventing cold air from being supplied to the refrigerating chamber (R).
여기서, 상기 배플(4)은 냉장실(R)의 온도가 하한 설정온도(Troff) 이하가 되면 닫히게 되나 상기 냉동실(F)의 온도가 상한 설정온도(Tfon) 이상이거나 배플(4)이 열려 있으면 압축기와 냉각용 팬(2)은 그대로 작동된다.Here, the baffle (4) is closed when the temperature of the refrigerating chamber (R) is lower than the lower limit set temperature (Troff), but the compressor if the temperature of the freezer compartment (F) is higher than the upper limit set temperature (Tfon) or the baffle (4) is open. And the cooling fan 2 are operated as it is.
다음, 냉장실(R)의 온도가 상한 설정온도(Tron) 이상이 되면 배플(4)이 열리고, 냉각용 팬(2)과 압축기를 작동시켜 냉장실(R)에 냉기를 유입시키는 제3단계를 수행한다.Next, when the temperature of the refrigerating chamber (R) is higher than the upper limit set temperature (Tron), the baffle (4) is opened, by operating the cooling fan (2) and the compressor performs a third step of introducing the cold air into the refrigerating chamber (R) do.
이와 같은 상태에서, 상기 냉장실(R)의 온도가 하한 설정온도(Troff) 이하가 되면 배플(4)을 닫고, 압축기와 증발기가 정지된 상태이면 냉각용 팬(2)을 정지시키고 제1단계를 복귀하는 제4단계를 수행한다.In this state, when the temperature of the refrigerating chamber R becomes lower than the lower limit set temperature Troff, the baffle 4 is closed. When the compressor and the evaporator are stopped, the cooling fan 2 is stopped and the first step is performed. A fourth step of returning is performed.
상기한 바와 같이 제어되는 냉장고에서 주요부의 동작을 설명하면, 먼저 상기 증발기(1)에 냉매를 순환시키는 압축기는 냉동실(F)의 온도가 상한 설정온도(Tfon) 이상이 되면 압축기와 냉각용팬을 작동시키고, 하한 설정온도(Tfoff) 이하가 되는 동시에 냉장실(R)로 통하는 배플(4)이 닫혀 있으면 정지시킨다. 여기서, 상기 압축기가 초기에 작동될 때는 냉동실(F)과 냉장실(R)을 동시에 냉각할 수 있도록 배플(4)을 개방한다.Referring to the operation of the main part in the refrigerator controlled as described above, first, the compressor for circulating the refrigerant in the evaporator 1 operates the compressor and the cooling fan when the temperature of the freezer compartment F becomes higher than the upper limit set temperature Tfon. When the baffle 4 which is lower than the lower limit set temperature Tfoff and passes through the refrigerating chamber R is closed, it is stopped. Here, when the compressor is initially operated, the baffle 4 is opened to simultaneously cool the freezing compartment F and the refrigerating compartment R.
물론, 상기 배플(4)은 냉장실(R)의 온도가 상한 설정온도(Tron) 이상이 되면 열려 냉장실(R)에 냉기가 유입되도록 하고, 하한 설정온도(Troff) 이하가 되면 닫혀 냉장실(R)로 유입되는 냉기를 차단한다.Of course, the baffle (4) is opened when the temperature of the refrigerating chamber (R) is higher than the upper limit set temperature (Tron), so that the cold air flows into the refrigerating chamber (R), and closed when the temperature is below the lower limit set temperature (Troff), the refrigerator compartment (R) Shut off cold air entering the
그리고, 냉각용 팬(2)은 압축기가 작동되고 있는 상태이거나 배플(4)이 열린 상태이면 항상 작동시키고, 압축기가 작동되지 않고 배플(4)이 닫힌 상태이면 정지시킨다.The cooling fan 2 is always operated when the compressor is operating or the baffle 4 is open, and stops when the compressor is not operated and the baffle 4 is closed.
결국, 상기한 본 발명에 따른 냉장고의 제어 방법은 압축기가 작동됨과 동시에 배플(4)이 열려 냉장실(R)과 냉동실(F)을 동시에 냉각한 다음 냉장실의 온도가 내려가 배플(4)이 닫히면 냉동실(F)만 냉각하게 되고, 배플(4)이 열려 있을 때에는 항상 냉각용 팬(2)이 작동되도록 제어한다.As a result, in the control method of the refrigerator according to the present invention, the baffle (4) is opened at the same time the compressor is operated and simultaneously cools the refrigerating chamber (R) and the freezing chamber (F), and then the temperature of the refrigerating chamber is lowered and the freezer compartment is closed. Only (F) is cooled, and when the baffle 4 is open, it controls so that the cooling fan 2 always operates.
상기와 같이 구성되는 본 발명에 따른 냉장고의 제어 방법의 작용을 설명하면 다음과 같다.Referring to the operation of the control method of the refrigerator according to the present invention configured as described above are as follows.
냉동실(F)의 온도가 상한 설정온도(Tfon) 이상으로 상승한 경우 압축기가 작동하지 아니한 상태이면 배플(4)이 열리면서 압축기 및 냉각용팬이 작동되어 냉동실(F)과 냉장실(R)이 동시에 냉각된다.When the temperature of the freezer compartment F rises above the upper limit set temperature Tfon, if the compressor is not in operation, the baffle 4 opens and the compressor and the cooling fan operate to cool the freezer compartment F and the refrigerator compartment R at the same time. .
이때, 냉동실(F)과 냉장실(R)에서 순환되는 공기와 열교환되면서 냉기를 공급하는 증발기(1)의 온도가 상승하게 됨에 따라 압력이 상승된다. 따라서, 도 3을 참고하여 전술한 바와 같이 냉동 사이클의 효율은 응축기의 압력이 같을 경우 증발기의 압력이 높을수록 상승되므로 종래 기술에서 냉동실만 냉각하던 것에 비하여 냉각 효율이 향상되게 된다.At this time, the pressure is increased as the temperature of the evaporator 1 for supplying cold air is increased while heat-exchanging with the air circulated in the freezing chamber F and the refrigerating chamber R. Therefore, as described above with reference to FIG. 3, the efficiency of the refrigerating cycle increases when the pressure of the condenser is the same, so that the pressure of the evaporator is higher, so that the cooling efficiency is improved as compared to cooling the freezer only in the prior art.
여기서, 도 5는 종래 기술과 본 기술의 비교 그래프로서, (a)부분은 종래 기술의 제어 방법에 따른 증발기의 온도 변화를 나타낸 것이고, (b)는 본 기술의 제어 방법에 따른 증발기의 온도 변화를 나타낸 것이다.Here, Figure 5 is a comparison graph of the prior art and the present technology, part (a) shows the temperature change of the evaporator according to the control method of the prior art, (b) is the temperature change of the evaporator according to the control method of the present technology It is shown.
도 5를 참조하면 냉동실과 냉장실의 동시 냉각 구간에서 증발기의 온도가 종래 기술(a)에 비해 본 기술(b)이 높아진 것을 알 수 있다. 이것은 종래 기술이 (a)에서와 같이 냉동실 냉각 구간에서 차가와진 증발기의 온도가 냉장실과 냉동실의 동시 냉각 구간에서 상승하게 되고, 본 기술은 (b)에서와 같이 압축기가 정지되어 있을 때 높아진 증발기의 온도가 먼저 냉장실과 냉동실 동시 냉각구간에서 필요한 온도까지 하강한 후, 냉동실 냉각 구간에서 추가로 하강하게 된다.Referring to Figure 5 it can be seen that the temperature of the evaporator in the simultaneous cooling section of the freezer compartment and the refrigerating compartment is higher than the conventional technique (a) (b). This is because the conventional technique is to increase the temperature of the evaporator which is cooled in the freezer compartment cooling section as in (a) in the simultaneous cooling section of the refrigerating compartment and the freezer compartment, and the technique is increased when the compressor is stopped as in (b). The temperature of the temperature is first lowered to the required temperature in the simultaneous cooling section of the refrigerator compartment and the freezer compartment, and then further lowered in the freezer compartment cooling section.
즉, 냉장실 냉동실 동시 냉각 구간에서의 증발기의 온도는 종래 기술의 경우 낮은 온도에서 상승한 것이고, 본 기술의 경우 높은 온도에서 하강한 것이다.That is, the temperature of the evaporator in the refrigerating compartment freezer simultaneous cooling section is elevated at a low temperature in the prior art, and is lowered at a high temperature in the present technology.
따라서, 본 기술이 냉장실과 냉동실 동시 냉각 구간에서 증발 온도가 상대적으로 높아지는 동시에 증발기의 압력도 높아지므로 냉각 효율은 그만큼 상승하게 된다.Therefore, since the present technology relatively increases the evaporator temperature in the refrigerating compartment and the freezing compartment simultaneous cooling section, the pressure of the evaporator also increases, thereby increasing the cooling efficiency.
한편, 종래 기술에서는 냉동실의 온도에 따라 압축기와 냉각용 팬이 작동되거나 정지되고, 이 압축기와 냉각용 팬의 작동과는 관계없이 냉장실의 온도에 따라 배플이 열리고 닫히게 되어 냉장실의 온도가 상한 설정온도 이상이 되더라도 압축기가 정지되어 있으면 냉각용 팬도 정지되어 있으므로 냉기가 냉장실로 원활하게 공급되지 않은 반면, 본 발명에서는 냉장실(R)의 온도가 상한 설정온도(ron) 이상이 되면 배플(4)이 열림과 동시에 냉각용 팬(2)이 작동되기 때문에 압축기가 정지되어 있다 하더라도 증발기(1) 주변과 냉동실(F)의 냉기가 유입되어 냉장실(R)의 온도를 적정하게 유지할 수 있게 된다.On the other hand, in the prior art, the compressor and the cooling fan are operated or stopped according to the temperature of the freezer compartment, and the baffle is opened and closed according to the temperature of the refrigerator compartment regardless of the operation of the compressor and the cooling fan. Even if the compressor is stopped, the cooling fan is also stopped, so that the cold air is not smoothly supplied to the refrigerating chamber. In the present invention, when the temperature of the refrigerating chamber R is higher than the upper limit set temperature (ron), the baffle 4 is Since the cooling fan 2 is operated at the same time as the opening, even if the compressor is stopped, the cool air around the evaporator 1 and the freezing chamber F are introduced to maintain the temperature of the refrigerating chamber R appropriately.
물론, 상기와 같이 압축기 정지 상태에서 냉각용 팬(2)이 작동되어 냉동실(F)의 온도가 상한 설정온도(Tfon) 이상으로 높아지면 압축기가 작동되면서 냉동실(F)과 냉장실(R)을 동시에 냉각하게 된다.Of course, when the cooling fan 2 is operated in the compressor stop state as described above and the temperature of the freezer compartment F rises above the upper limit set temperature Tfon, the compressor operates and simultaneously operates the freezer compartment F and the refrigerating compartment R. To cool.
상기한 바와 같은 본 발명의 냉장고의 제어 방법은 냉동실과 냉장실을 모두 냉각한 다음 냉동실을 냉각하기 때문에 증발기의 압력이 상승되어 냉장고의 냉각 효율이 향상됨은 물론 소비 전력을 절감할 수 있는 이점을 제공하게 된다.As described above, the control method of the refrigerator of the present invention cools both the freezer compartment and the refrigerating compartment and then cools the freezer compartment so that the pressure of the evaporator is increased, thereby improving the cooling efficiency of the refrigerator and reducing power consumption. do.
또한, 본 발명은 압축기가 정지되어 있다 하더라도 냉장실의 온도가 일정 이상으로 높으면 배플이 열림과 동시에 냉각용 팬이 작동되기 때문에 냉장실의 온도를 적정하게 유지할 수 있는 이점을 제공하게 된다.In addition, the present invention provides an advantage that the temperature of the refrigerating compartment can be properly maintained because the baffle is opened and the cooling fan is operated at the same time when the temperature of the refrigerating compartment is higher than a certain level even if the compressor is stopped.
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| KR101699969B1 (en) * | 2010-01-04 | 2017-01-25 | 엘지전자 주식회사 | Method for controlling refrigerator |
| KR20180061753A (en) * | 2016-11-30 | 2018-06-08 | 엘지전자 주식회사 | Refrigerator and method for controlling the same |
| US11885547B2 (en) | 2015-12-15 | 2024-01-30 | Lg Electronics Inc. | Refrigerator having a cold air supply means and control method therefore |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100872225B1 (en) * | 2007-11-05 | 2008-12-05 | 엘지전자 주식회사 | Control method of refrigerator |
| KR102518479B1 (en) * | 2018-08-02 | 2023-04-06 | 엘지전자 주식회사 | Refrigerator and method for controlling the same |
| KR102305533B1 (en) | 2020-02-11 | 2021-09-24 | 박영근 | Sportswear with stretched parts |
| KR102640347B1 (en) * | 2022-02-25 | 2024-02-23 | 엘지전자 주식회사 | Refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101699969B1 (en) * | 2010-01-04 | 2017-01-25 | 엘지전자 주식회사 | Method for controlling refrigerator |
| US11885547B2 (en) | 2015-12-15 | 2024-01-30 | Lg Electronics Inc. | Refrigerator having a cold air supply means and control method therefore |
| KR20180061753A (en) * | 2016-11-30 | 2018-06-08 | 엘지전자 주식회사 | Refrigerator and method for controlling the same |
| KR102629604B1 (en) | 2016-11-30 | 2024-01-26 | 엘지전자 주식회사 | Refrigerator and method for controlling the same |
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